Features 1. This is a RS485 device data acquisitor / IoT gateway designed for industrial environment. 2. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to JSON, etc. 3. The module features RS485 and Ethernet ports, uses screw terminals for power input, supports 9~24V wide range power supply. 4. Rail-mount flame-retardant case design, small in size, easy to install. 5. It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring... Specifications 1. Communication interface: RS485, screw terminal, supports 32x slave devices 2. Power supply: 9 ~ 24V DC, screw terminal 3. Dimensions (L x W x H): 87 x 36 x 59 mm 4. Ethernet: 10 / 100M auto-negotiation RJ45 connector, 2 KV surge protection 5. Serial port: RS485 ?? 1: RXD, TXD, GND 6. Baudrate: 300 ~ 115200 bps 7. Parity bit: None, odd, even, mark, space 8. Data bit: 5 ~ 9 bits 9. Flow control: N/A 10. Protocol: ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS 11. Configuration: Host, web browser, device management functions library 12. Communication method: TCP/IP direct communication, VCOM 13. Operating mode: TCP server, TCP client (coexisting with TCP server), UDP, UDP multicast 14. Operating temperature: -40 degree C ~ 85 degree C 15. Storage temperature: -45 degree C ~ 165degree C 16. Humidity range: 5% ~ 95% relative humidity
